Plastics
| Fri 08 May 2026
Beijing, May 9 -- Henan Aerospace Prec Machining Company Limited has submitted a patent application for Bolt Upsetting Mold Core and Rod Mold. Qu Shiyang, Gao Cheng, Fu Yang, Li Chenglong, Chen Ming, Xiong Zhide, Yu Junwei, Wang Jia, Wang Chuanke, Luo Jianxin, Fu Xiaodong, Tao Xingwei, Fan Jianjun and Gao Yuan developed the inve..